| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | BC557BZL1 | Amplifier Transistors | 109K |
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| 2 | BC557BZL1 | Amplifier Transistors | 109K |
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| 3 | BC557BZL1 | Amplifier Transistors PNP Silicon | 79K |
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| 4 | BC557BZL1G | Amplifier Transistors PNP Silicon | 79K |
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| 5 | BC557BZL1G | Amplifier Transistors | 89K |
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